Tillman has been a force in the Orioles rotation over the last three seasons, going 38-16 with a 3.42 ERA and 395:158 K:BB ratio in 499 2/3 innings. That included a 13-6 record, 3.34 ERA and 150:66 K:BB ratio in 207 1/3 innings in 2014.
Manager Buck Showalter has informed his players of his rotation plans after Game 1, but he won't announce them until after Thursday's game, the Baltimore Sun reports.
"His age and experience might be working against him," general manager Jack Zduriencik said, "but this is also a pretty good hitter. You don’t shut the door on it. You leave it open and see what he does.
"Coming out of Double-A to the big leagues is challenging, but he’s going to be in the Fall League. There are a lot of people who’ve been around him who think this guy is the real deal. We’ll bring him into spring training. He’ll get a fair shot. What happens, happens."
Peterson has primarily played third base in the minors, but he is expected to see significant time at first base in the Arizona Fall League. With Kyle Seager blocking his path at third base, Peterson's fastest route to the majors could be first base.
"I played a lot of first base in college," Peterson said. "It’s a position that I’m acquainted with. I’m very used to it. It wouldn’t be too much of an adjustment."
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